Dispensing – Plural sources – compartment – containers and/or spaced jacket – With discharge assistant for each source
Patent
1993-05-17
1994-07-26
Shaver, Kevin P.
Dispensing
Plural sources, compartment, containers and/or spaced jacket
With discharge assistant for each source
222327, B67D 552
Patent
active
053321243
ABSTRACT:
A disposable refill cartridge, for use with a reusable base and a reusable dispensing head for the simultaneous coextension of at least two flowable materials. The disposable refill cartridge has a hollow inner cylinder for containing a flowable material. The inner cylinder has a first generally open top end which can be temporarily sealed until the refill cartridge is combined with a reusable dispensing head. The second or bottom end of the refill cylinder telescopically and slidingly accommodates a piston head which is compressibly engagable with a piston rod of the reusable base. The piston head rides sealingly along the interior walls of the inner refill cylinder when compressed by the piston rod forces the flowable material to flow out of the refill cylinder and through outlet means of the dispensing head. Once the flowable material has been expended, the refill cartridge can be discarded and a new one can be used in conjunction with the reusable base and dispensing head.
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Cancro Lewis P.
Williams David R.
Chesebrough-Pond's USA Co., A Division of Conopco, Inc.
Shaver Kevin P.
LandOfFree
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